25-9-310. When filing required to perfect security interest or agricultural lien; security interests and agricultural liens to which filing provisions do not apply.
(a) General rule: perfection by filing. - Except as otherwise provided in subsection (b) of this section and G.S. 25-9-312(b), a financing statement must be filed to perfect all security interests and agricultural liens.
(b) Exceptions: filing not necessary. - The filing of a financing statement is not necessary to perfect a security interest:
(1) That is perfected under G.S. 25-9-308(d), (e), (f), or (g);
(2) That is perfected under G.S. 25-9-309 when it attaches;
(3) In property subject to a statute, regulation, or treaty described in G.S. 25-9-311(a);
(4) In goods in possession of a bailee which is perfected under G.S. 25-9-312(d)(1) or (2);
(5) In certificated securities, documents, goods, or instruments which is perfected without filing, control, or possession under G.S. 25-9-312(e), (f), or (g);
(6) In collateral in the secured party's possession under G.S. 25-9-313;
(7) In a certificated security which is perfected by delivery of the security certificate to the secured party under G.S. 25-9-313;
(8) In deposit accounts, electronic chattel paper, electronic documents, investment property, or letter-of-credit rights which is perfected by control under G.S. 25-9-314;
(9) In proceeds which is perfected under G.S. 25-9-315; or
(10) That is perfected under G.S. 25-9-316.
(c) Assignment of perfected security interest. - If a secured party assigns a perfected security interest or agricultural lien, a filing under this Article is not required to continue the perfected status of the security interest against creditors of and transferees from the original debtor.